... brick, misty face vitreous brick, grain, vitreous brick of several types of glass is different, light refraction degree would differ. ... . In metope, door plank decoration, DengQiang, many of the design of embedded lights can change from new, its material with ... give attention to two or morethings arrives wind resistance and optical properties of sodium calcium silicon (Na2O - CaO - SiO2) glass series ...